1 /* $OpenBSD: uplcom.c,v 1.51 2008/06/26 05:42:19 ray Exp $ */ 2 /* $NetBSD: uplcom.c,v 1.29 2002/09/23 05:51:23 simonb Exp $ */ 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ichiro FUKUHARA (ichiro@ichiro.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Simple datasheet 34 * http://www.prolific.com.tw/PDF/PL-2303%20Market%20Spec.pdf 35 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 36 * (english) 37 * 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/ioctl.h> 45 #include <sys/conf.h> 46 #include <sys/tty.h> 47 #include <sys/file.h> 48 #include <sys/selinfo.h> 49 #include <sys/proc.h> 50 #include <sys/vnode.h> 51 #include <sys/device.h> 52 #include <sys/poll.h> 53 54 #include <dev/usb/usb.h> 55 #include <dev/usb/usbcdc.h> 56 57 #include <dev/usb/usbdi.h> 58 #include <dev/usb/usbdi_util.h> 59 #include <dev/usb/usbdevs.h> 60 #include <dev/usb/usb_quirks.h> 61 62 #include <dev/usb/usbdevs.h> 63 #include <dev/usb/ucomvar.h> 64 65 #ifdef UPLCOM_DEBUG 66 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) printf x; } while (0) 67 int uplcomdebug = 0; 68 #else 69 #define DPRINTFN(n, x) 70 #endif 71 #define DPRINTF(x) DPRINTFN(0, x) 72 73 #define UPLCOM_CONFIG_INDEX 0 74 #define UPLCOM_IFACE_INDEX 0 75 #define UPLCOM_SECOND_IFACE_INDEX 1 76 77 #define UPLCOM_SET_REQUEST 0x01 78 #define UPLCOM_SET_CRTSCTS 0x41 79 #define UPLCOM_HX_SET_CRTSCTS 0x61 80 #define RSAQ_STATUS_CTS 0x80 81 #define RSAQ_STATUS_DSR 0x02 82 #define RSAQ_STATUS_DCD 0x01 83 84 struct uplcom_softc { 85 struct device sc_dev; /* base device */ 86 usbd_device_handle sc_udev; /* USB device */ 87 usbd_interface_handle sc_iface; /* interface */ 88 int sc_iface_number; /* interface number */ 89 90 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 91 int sc_intr_number; /* interrupt number */ 92 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 93 u_char *sc_intr_buf; /* interrupt buffer */ 94 int sc_isize; 95 96 usb_cdc_line_state_t sc_line_state; /* current line state */ 97 int sc_dtr; /* current DTR state */ 98 int sc_rts; /* current RTS state */ 99 100 struct device *sc_subdev; /* ucom device */ 101 102 u_char sc_dying; /* disconnecting */ 103 104 u_char sc_lsr; /* Local status register */ 105 u_char sc_msr; /* uplcom status register */ 106 int sc_type_hx; /* HX variant */ 107 }; 108 109 /* 110 * These are the maximum number of bytes transferred per frame. 111 * The output buffer size cannot be increased due to the size encoding. 112 */ 113 #define UPLCOMIBUFSIZE 256 114 #define UPLCOMOBUFSIZE 256 115 116 usbd_status uplcom_reset(struct uplcom_softc *); 117 usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 118 usb_cdc_line_state_t *state); 119 usbd_status uplcom_set_crtscts(struct uplcom_softc *); 120 void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 121 122 void uplcom_set(void *, int, int, int); 123 void uplcom_dtr(struct uplcom_softc *, int); 124 void uplcom_rts(struct uplcom_softc *, int); 125 void uplcom_break(struct uplcom_softc *, int); 126 void uplcom_set_line_state(struct uplcom_softc *); 127 void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 128 #if TODO 129 int uplcom_ioctl(void *, int, u_long, caddr_t, int, struct proc *); 130 #endif 131 int uplcom_param(void *, int, struct termios *); 132 int uplcom_open(void *, int); 133 void uplcom_close(void *, int); 134 135 struct ucom_methods uplcom_methods = { 136 uplcom_get_status, 137 uplcom_set, 138 uplcom_param, 139 NULL, /* uplcom_ioctl, TODO */ 140 uplcom_open, 141 uplcom_close, 142 NULL, 143 NULL, 144 }; 145 146 static const struct usb_devno uplcom_devs[] = { 147 { USB_VENDOR_ALCATEL, USB_PRODUCT_ALCATEL_OT535 }, 148 { USB_VENDOR_ANCHOR, USB_PRODUCT_ANCHOR_SERIAL }, 149 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 150 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257 }, 151 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 152 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 153 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 154 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 155 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 156 { USB_VENDOR_LEADTEK, USB_PRODUCT_LEADTEK_9531 }, 157 { USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_700WX }, 158 { USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620 }, 159 { USB_VENDOR_NOKIA, USB_PRODUCT_NOKIA_CA42 }, 160 { USB_VENDOR_OTI, USB_PRODUCT_OTI_DKU5 }, 161 { USB_VENDOR_PLX, USB_PRODUCT_PLX_CA42 }, 162 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 163 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 164 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 165 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X2 }, 166 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 167 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 168 { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 }, 169 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 170 { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL }, 171 { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_I330 }, 172 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 }, 173 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 }, 174 { USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 }, 175 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 176 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 177 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 178 { USB_VENDOR_SPEEDDRAGON, USB_PRODUCT_SPEEDDRAGON_MS3303H }, 179 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 }, 180 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_SERIAL }, 181 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 182 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 183 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 184 { USB_VENDOR_SMART, USB_PRODUCT_SMART_PL2303 }, 185 { USB_VENDOR_YCCABLE, USB_PRODUCT_YCCABLE_PL2303 } 186 }; 187 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 188 189 int uplcom_match(struct device *, void *, void *); 190 void uplcom_attach(struct device *, struct device *, void *); 191 int uplcom_detach(struct device *, int); 192 int uplcom_activate(struct device *, enum devact); 193 194 struct cfdriver uplcom_cd = { 195 NULL, "uplcom", DV_DULL 196 }; 197 198 const struct cfattach uplcom_ca = { 199 sizeof(struct uplcom_softc), 200 uplcom_match, 201 uplcom_attach, 202 uplcom_detach, 203 uplcom_activate, 204 }; 205 206 int 207 uplcom_match(struct device *parent, void *match, void *aux) 208 { 209 struct usb_attach_arg *uaa = aux; 210 211 if (uaa->iface != NULL) 212 return (UMATCH_NONE); 213 214 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 215 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 216 } 217 218 void 219 uplcom_attach(struct device *parent, struct device *self, void *aux) 220 { 221 struct uplcom_softc *sc = (struct uplcom_softc *)self; 222 struct usb_attach_arg *uaa = aux; 223 usbd_device_handle dev = uaa->device; 224 usb_config_descriptor_t *cdesc; 225 usb_device_descriptor_t *ddesc; 226 usb_interface_descriptor_t *id; 227 usb_endpoint_descriptor_t *ed; 228 char *devname = sc->sc_dev.dv_xname; 229 usbd_status err; 230 int i; 231 struct ucom_attach_args uca; 232 233 sc->sc_udev = dev; 234 235 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 236 237 /* initialize endpoints */ 238 uca.bulkin = uca.bulkout = -1; 239 sc->sc_intr_number = -1; 240 sc->sc_intr_pipe = NULL; 241 242 /* Move the device into the configured state. */ 243 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 244 if (err) { 245 printf("%s: failed to set configuration, err=%s\n", 246 devname, usbd_errstr(err)); 247 sc->sc_dying = 1; 248 return; 249 } 250 251 /* get the config descriptor */ 252 cdesc = usbd_get_config_descriptor(sc->sc_udev); 253 254 if (cdesc == NULL) { 255 printf("%s: failed to get configuration descriptor\n", 256 sc->sc_dev.dv_xname); 257 sc->sc_dying = 1; 258 return; 259 } 260 261 /* get the device descriptor */ 262 ddesc = usbd_get_device_descriptor(sc->sc_udev); 263 if (ddesc == NULL) { 264 printf("%s: failed to get device descriptor\n", 265 sc->sc_dev.dv_xname); 266 sc->sc_dying = 1; 267 return; 268 } 269 270 /* 271 * The Linux driver suggest this will only be true for the HX 272 * variants. The datasheets disagree. 273 */ 274 if (ddesc->bDeviceClass == 0x02) 275 sc->sc_type_hx = 0; 276 else if (ddesc->bMaxPacketSize == 0x40) 277 sc->sc_type_hx = 1; 278 else 279 sc->sc_type_hx = 0; 280 281 #ifdef USB_DEBUG 282 /* print the chip type */ 283 if (sc->sc_type_hx) { 284 DPRINTF(("uplcom_attach: chiptype 2303X\n")); 285 } else { 286 DPRINTF(("uplcom_attach: chiptype 2303\n")); 287 } 288 #endif 289 /* get the (first/common) interface */ 290 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 291 &sc->sc_iface); 292 if (err) { 293 printf("\n%s: failed to get interface, err=%s\n", 294 devname, usbd_errstr(err)); 295 sc->sc_dying = 1; 296 return; 297 } 298 299 /* Find the interrupt endpoints */ 300 301 id = usbd_get_interface_descriptor(sc->sc_iface); 302 sc->sc_iface_number = id->bInterfaceNumber; 303 304 for (i = 0; i < id->bNumEndpoints; i++) { 305 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 306 if (ed == NULL) { 307 printf("%s: no endpoint descriptor for %d\n", 308 sc->sc_dev.dv_xname, i); 309 sc->sc_dying = 1; 310 return; 311 } 312 313 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 314 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 315 sc->sc_intr_number = ed->bEndpointAddress; 316 sc->sc_isize = UGETW(ed->wMaxPacketSize); 317 } 318 } 319 320 if (sc->sc_intr_number== -1) { 321 printf("%s: Could not find interrupt in\n", 322 sc->sc_dev.dv_xname); 323 sc->sc_dying = 1; 324 return; 325 } 326 327 /* keep interface for interrupt */ 328 sc->sc_intr_iface = sc->sc_iface; 329 330 /* 331 * USB-RSAQ1 has two interface 332 * 333 * USB-RSAQ1 | USB-RSAQ2 334 * -----------------+----------------- 335 * Interface 0 |Interface 0 336 * Interrupt(0x81) | Interrupt(0x81) 337 * -----------------+ BulkIN(0x02) 338 * Interface 1 | BulkOUT(0x83) 339 * BulkIN(0x02) | 340 * BulkOUT(0x83) | 341 */ 342 if (cdesc->bNumInterface == 2) { 343 err = usbd_device2interface_handle(dev, 344 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 345 if (err) { 346 printf("\n%s: failed to get second interface, err=%s\n", 347 devname, usbd_errstr(err)); 348 sc->sc_dying = 1; 349 return; 350 } 351 } 352 353 /* Find the bulk{in,out} endpoints */ 354 355 id = usbd_get_interface_descriptor(sc->sc_iface); 356 sc->sc_iface_number = id->bInterfaceNumber; 357 358 for (i = 0; i < id->bNumEndpoints; i++) { 359 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 360 if (ed == NULL) { 361 printf("%s: no endpoint descriptor for %d\n", 362 sc->sc_dev.dv_xname, i); 363 sc->sc_dying = 1; 364 return; 365 } 366 367 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 368 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 369 uca.bulkin = ed->bEndpointAddress; 370 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 371 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 372 uca.bulkout = ed->bEndpointAddress; 373 } 374 } 375 376 if (uca.bulkin == -1) { 377 printf("%s: Could not find data bulk in\n", 378 sc->sc_dev.dv_xname); 379 sc->sc_dying = 1; 380 return; 381 } 382 383 if (uca.bulkout == -1) { 384 printf("%s: Could not find data bulk out\n", 385 sc->sc_dev.dv_xname); 386 sc->sc_dying = 1; 387 return; 388 } 389 390 sc->sc_dtr = sc->sc_rts = -1; 391 uca.portno = UCOM_UNK_PORTNO; 392 /* bulkin, bulkout set above */ 393 uca.ibufsize = UPLCOMIBUFSIZE; 394 uca.obufsize = UPLCOMOBUFSIZE; 395 uca.ibufsizepad = UPLCOMIBUFSIZE; 396 uca.opkthdrlen = 0; 397 uca.device = dev; 398 uca.iface = sc->sc_iface; 399 uca.methods = &uplcom_methods; 400 uca.arg = sc; 401 uca.info = NULL; 402 403 err = uplcom_reset(sc); 404 405 if (err) { 406 printf("%s: reset failed, %s\n", sc->sc_dev.dv_xname, 407 usbd_errstr(err)); 408 sc->sc_dying = 1; 409 return; 410 } 411 412 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 413 &sc->sc_dev); 414 415 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 416 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 417 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 418 } 419 420 int 421 uplcom_detach(struct device *self, int flags) 422 { 423 struct uplcom_softc *sc = (struct uplcom_softc *)self; 424 int rv = 0; 425 426 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 427 428 if (sc->sc_intr_pipe != NULL) { 429 usbd_abort_pipe(sc->sc_intr_pipe); 430 usbd_close_pipe(sc->sc_intr_pipe); 431 free(sc->sc_intr_buf, M_USBDEV); 432 sc->sc_intr_pipe = NULL; 433 } 434 435 sc->sc_dying = 1; 436 if (sc->sc_subdev != NULL) { 437 rv = config_detach(sc->sc_subdev, flags); 438 sc->sc_subdev = NULL; 439 } 440 441 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 442 &sc->sc_dev); 443 444 return (rv); 445 } 446 447 int 448 uplcom_activate(struct device *self, enum devact act) 449 { 450 struct uplcom_softc *sc = (struct uplcom_softc *)self; 451 int rv = 0; 452 453 switch (act) { 454 case DVACT_ACTIVATE: 455 break; 456 457 case DVACT_DEACTIVATE: 458 if (sc->sc_subdev != NULL) 459 rv = config_deactivate(sc->sc_subdev); 460 sc->sc_dying = 1; 461 break; 462 } 463 return (rv); 464 } 465 466 usbd_status 467 uplcom_reset(struct uplcom_softc *sc) 468 { 469 usb_device_request_t req; 470 usbd_status err; 471 472 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 473 req.bRequest = UPLCOM_SET_REQUEST; 474 USETW(req.wValue, 0); 475 USETW(req.wIndex, sc->sc_iface_number); 476 USETW(req.wLength, 0); 477 478 err = usbd_do_request(sc->sc_udev, &req, 0); 479 if (err) 480 return (EIO); 481 482 return (0); 483 } 484 485 void 486 uplcom_set_line_state(struct uplcom_softc *sc) 487 { 488 usb_device_request_t req; 489 int ls; 490 491 /* Make sure we have initialized state for sc_dtr and sc_rts */ 492 if (sc->sc_dtr == -1) 493 sc->sc_dtr = 0; 494 if (sc->sc_rts == -1) 495 sc->sc_rts = 0; 496 497 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 498 (sc->sc_rts ? UCDC_LINE_RTS : 0); 499 500 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 501 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 502 USETW(req.wValue, ls); 503 USETW(req.wIndex, sc->sc_iface_number); 504 USETW(req.wLength, 0); 505 506 (void)usbd_do_request(sc->sc_udev, &req, 0); 507 508 } 509 510 void 511 uplcom_set(void *addr, int portno, int reg, int onoff) 512 { 513 struct uplcom_softc *sc = addr; 514 515 switch (reg) { 516 case UCOM_SET_DTR: 517 uplcom_dtr(sc, onoff); 518 break; 519 case UCOM_SET_RTS: 520 uplcom_rts(sc, onoff); 521 break; 522 case UCOM_SET_BREAK: 523 uplcom_break(sc, onoff); 524 break; 525 default: 526 break; 527 } 528 } 529 530 void 531 uplcom_dtr(struct uplcom_softc *sc, int onoff) 532 { 533 534 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 535 536 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 537 return; 538 539 sc->sc_dtr = !!onoff; 540 541 uplcom_set_line_state(sc); 542 } 543 544 void 545 uplcom_rts(struct uplcom_softc *sc, int onoff) 546 { 547 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 548 549 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff) 550 return; 551 552 sc->sc_rts = !!onoff; 553 554 uplcom_set_line_state(sc); 555 } 556 557 void 558 uplcom_break(struct uplcom_softc *sc, int onoff) 559 { 560 usb_device_request_t req; 561 562 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 563 564 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 565 req.bRequest = UCDC_SEND_BREAK; 566 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 567 USETW(req.wIndex, sc->sc_iface_number); 568 USETW(req.wLength, 0); 569 570 (void)usbd_do_request(sc->sc_udev, &req, 0); 571 } 572 573 usbd_status 574 uplcom_set_crtscts(struct uplcom_softc *sc) 575 { 576 usb_device_request_t req; 577 usbd_status err; 578 579 DPRINTF(("uplcom_set_crtscts: on\n")); 580 581 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 582 req.bRequest = UPLCOM_SET_REQUEST; 583 USETW(req.wValue, 0); 584 USETW(req.wIndex, 585 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS)); 586 USETW(req.wLength, 0); 587 588 err = usbd_do_request(sc->sc_udev, &req, 0); 589 if (err) { 590 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 591 usbd_errstr(err))); 592 return (err); 593 } 594 595 return (USBD_NORMAL_COMPLETION); 596 } 597 598 usbd_status 599 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 600 { 601 usb_device_request_t req; 602 usbd_status err; 603 604 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 605 UGETDW(state->dwDTERate), state->bCharFormat, 606 state->bParityType, state->bDataBits)); 607 608 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 609 DPRINTF(("uplcom_set_line_coding: already set\n")); 610 return (USBD_NORMAL_COMPLETION); 611 } 612 613 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 614 req.bRequest = UCDC_SET_LINE_CODING; 615 USETW(req.wValue, 0); 616 USETW(req.wIndex, sc->sc_iface_number); 617 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 618 619 err = usbd_do_request(sc->sc_udev, &req, state); 620 if (err) { 621 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 622 usbd_errstr(err))); 623 return (err); 624 } 625 626 sc->sc_line_state = *state; 627 628 return (USBD_NORMAL_COMPLETION); 629 } 630 631 int 632 uplcom_param(void *addr, int portno, struct termios *t) 633 { 634 struct uplcom_softc *sc = addr; 635 usbd_status err; 636 usb_cdc_line_state_t ls; 637 638 DPRINTF(("uplcom_param: sc=%p\n", sc)); 639 640 USETDW(ls.dwDTERate, t->c_ospeed); 641 if (ISSET(t->c_cflag, CSTOPB)) 642 ls.bCharFormat = UCDC_STOP_BIT_2; 643 else 644 ls.bCharFormat = UCDC_STOP_BIT_1; 645 if (ISSET(t->c_cflag, PARENB)) { 646 if (ISSET(t->c_cflag, PARODD)) 647 ls.bParityType = UCDC_PARITY_ODD; 648 else 649 ls.bParityType = UCDC_PARITY_EVEN; 650 } else 651 ls.bParityType = UCDC_PARITY_NONE; 652 switch (ISSET(t->c_cflag, CSIZE)) { 653 case CS5: 654 ls.bDataBits = 5; 655 break; 656 case CS6: 657 ls.bDataBits = 6; 658 break; 659 case CS7: 660 ls.bDataBits = 7; 661 break; 662 case CS8: 663 ls.bDataBits = 8; 664 break; 665 } 666 667 err = uplcom_set_line_coding(sc, &ls); 668 if (err) { 669 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 670 return (EIO); 671 } 672 673 if (ISSET(t->c_cflag, CRTSCTS)) 674 uplcom_set_crtscts(sc); 675 676 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 677 uplcom_set_line_state(sc); 678 679 if (err) { 680 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 681 return (EIO); 682 } 683 684 return (0); 685 } 686 687 int 688 uplcom_open(void *addr, int portno) 689 { 690 struct uplcom_softc *sc = addr; 691 usb_device_request_t req; 692 usbd_status uerr; 693 int err; 694 695 if (sc->sc_dying) 696 return (EIO); 697 698 DPRINTF(("uplcom_open: sc=%p\n", sc)); 699 700 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 701 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 702 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 703 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 704 sc->sc_intr_buf, sc->sc_isize, 705 uplcom_intr, USBD_DEFAULT_INTERVAL); 706 if (err) { 707 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 708 sc->sc_dev.dv_xname, sc->sc_intr_number)); 709 return (EIO); 710 } 711 } 712 713 if (sc->sc_type_hx == 1) { 714 /* 715 * Undocumented (vendor unresponsive) - possibly changes 716 * flow control semantics. It is needed for HX variant devices. 717 */ 718 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 719 req.bRequest = UPLCOM_SET_REQUEST; 720 USETW(req.wValue, 2); 721 USETW(req.wIndex, 0x44); 722 USETW(req.wLength, 0); 723 724 uerr = usbd_do_request(sc->sc_udev, &req, 0); 725 if (uerr) 726 return (EIO); 727 728 /* Reset upstream data pipes */ 729 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 730 req.bRequest = UPLCOM_SET_REQUEST; 731 USETW(req.wValue, 8); 732 USETW(req.wIndex, 0); 733 USETW(req.wLength, 0); 734 735 uerr = usbd_do_request(sc->sc_udev, &req, 0); 736 if (uerr) 737 return (EIO); 738 739 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 740 req.bRequest = UPLCOM_SET_REQUEST; 741 USETW(req.wValue, 9); 742 USETW(req.wIndex, 0); 743 USETW(req.wLength, 0); 744 745 uerr = usbd_do_request(sc->sc_udev, &req, 0); 746 if (uerr) 747 return (EIO); 748 } 749 750 return (0); 751 } 752 753 void 754 uplcom_close(void *addr, int portno) 755 { 756 struct uplcom_softc *sc = addr; 757 int err; 758 759 if (sc->sc_dying) 760 return; 761 762 DPRINTF(("uplcom_close: close\n")); 763 764 if (sc->sc_intr_pipe != NULL) { 765 err = usbd_abort_pipe(sc->sc_intr_pipe); 766 if (err) 767 printf("%s: abort interrupt pipe failed: %s\n", 768 sc->sc_dev.dv_xname, usbd_errstr(err)); 769 err = usbd_close_pipe(sc->sc_intr_pipe); 770 if (err) 771 printf("%s: close interrupt pipe failed: %s\n", 772 sc->sc_dev.dv_xname, usbd_errstr(err)); 773 free(sc->sc_intr_buf, M_USBDEV); 774 sc->sc_intr_pipe = NULL; 775 } 776 } 777 778 void 779 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 780 { 781 struct uplcom_softc *sc = priv; 782 u_char *buf = sc->sc_intr_buf; 783 u_char pstatus; 784 785 if (sc->sc_dying) 786 return; 787 788 if (status != USBD_NORMAL_COMPLETION) { 789 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 790 return; 791 792 DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname, 793 usbd_errstr(status))); 794 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 795 return; 796 } 797 798 DPRINTF(("%s: uplcom status = %02x\n", sc->sc_dev.dv_xname, buf[8])); 799 800 sc->sc_lsr = sc->sc_msr = 0; 801 pstatus = buf[8]; 802 if (ISSET(pstatus, RSAQ_STATUS_CTS)) 803 sc->sc_msr |= UMSR_CTS; 804 else 805 sc->sc_msr &= ~UMSR_CTS; 806 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 807 sc->sc_msr |= UMSR_DSR; 808 else 809 sc->sc_msr &= ~UMSR_DSR; 810 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 811 sc->sc_msr |= UMSR_DCD; 812 else 813 sc->sc_msr &= ~UMSR_DCD; 814 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 815 } 816 817 void 818 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 819 { 820 struct uplcom_softc *sc = addr; 821 822 DPRINTF(("uplcom_get_status:\n")); 823 824 if (lsr != NULL) 825 *lsr = sc->sc_lsr; 826 if (msr != NULL) 827 *msr = sc->sc_msr; 828 } 829 830 #if TODO 831 int 832 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 833 struct proc *p) 834 { 835 struct uplcom_softc *sc = addr; 836 int error = 0; 837 838 if (sc->sc_dying) 839 return (EIO); 840 841 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 842 843 switch (cmd) { 844 case TIOCNOTTY: 845 case TIOCMGET: 846 case TIOCMSET: 847 case USB_GET_CM_OVER_DATA: 848 case USB_SET_CM_OVER_DATA: 849 break; 850 851 default: 852 DPRINTF(("uplcom_ioctl: unknown\n")); 853 error = ENOTTY; 854 break; 855 } 856 857 return (error); 858 } 859 #endif 860